PURPOSE: This study aimed to test the effects of a circuit training (CT; aerobic + strength training) program, with and without motivational interviewing (MI) behavioral therapy, on reducing adiposity and type 2 diabetes risk factors in Latina teenagers. METHODS:Thirty-eight Latina adolescents (15.8 ± 1.1 yr) who are overweight/obese were randomly assigned to control (C; n = 12), CT (n = 14), or CT + MI (n = 12). The CT classes were held twice a week (60-90 min) for 16 wk. The CT + MI group also received individual or group MI sessions every other week. The following were measured before and after intervention: strength by one-repetition maximum; cardiorespiratory fitness (V·O 2max) by submaximal treadmill test; physical activity by accelerometry; dietary intake by records; height, weight, waist circumference; total body composition by dual-energy x-ray absorptiometry; visceral adipose tissue, subcutaneous adipose tissue, and hepatic fat fraction by magnetic resonance imaging; and glucose/insulin indices by fasting blood draw. Across-intervention group effects were tested using repeated-measures ANOVA with post hoc pairwise comparisons. RESULTS:CT and CT + MI participants, compared with controls, significantly increased fitness (+16% and +15% vs -6%, P = 0.03) and leg press (+40% vs +20%, P = 0.007). Compared with controls, CT participants also decreased waist circumference (-3% vs +3%; P < 0.001), subcutaneous adipose tissue (-10% vs 8%, P = 0.04), visceral adipose tissue (-10% vs +6%, P = 0.05), fasting insulin (-24% vs +6%, P = 0.03), and insulin resistance (-21% vs -4%, P = 0.05). CONCLUSIONS:CT may be an effective starter program to reduce fat depots and improve insulin resistance in Latino youth who are overweight/obese, whereas the additional MI therapy showed no additive effect on these health outcomes.
RCT Entities:
PURPOSE: This study aimed to test the effects of a circuit training (CT; aerobic + strength training) program, with and without motivational interviewing (MI) behavioral therapy, on reducing adiposity and type 2 diabetes risk factors in Latina teenagers. METHODS: Thirty-eight Latina adolescents (15.8 ± 1.1 yr) who are overweight/obese were randomly assigned to control (C; n = 12), CT (n = 14), or CT + MI (n = 12). The CT classes were held twice a week (60-90 min) for 16 wk. The CT + MI group also received individual or group MI sessions every other week. The following were measured before and after intervention: strength by one-repetition maximum; cardiorespiratory fitness (V·O 2max) by submaximal treadmill test; physical activity by accelerometry; dietary intake by records; height, weight, waist circumference; total body composition by dual-energy x-ray absorptiometry; visceral adipose tissue, subcutaneous adipose tissue, and hepatic fat fraction by magnetic resonance imaging; and glucose/insulin indices by fasting blood draw. Across-intervention group effects were tested using repeated-measures ANOVA with post hoc pairwise comparisons. RESULTS: CT and CT + MI participants, compared with controls, significantly increased fitness (+16% and +15% vs -6%, P = 0.03) and leg press (+40% vs +20%, P = 0.007). Compared with controls, CT participants also decreased waist circumference (-3% vs +3%; P < 0.001), subcutaneous adipose tissue (-10% vs 8%, P = 0.04), visceral adipose tissue (-10% vs +6%, P = 0.05), fasting insulin (-24% vs +6%, P = 0.03), and insulin resistance (-21% vs -4%, P = 0.05). CONCLUSIONS: CT may be an effective starter program to reduce fat depots and improve insulin resistance in Latino youth who are overweight/obese, whereas the additional MI therapy showed no additive effect on these health outcomes.
Authors: Zuguo Mei; Laurence M Grummer-Strawn; Angelo Pietrobelli; Ailsa Goulding; Michael I Goran; William H Dietz Journal: Am J Clin Nutr Date: 2002-06 Impact factor: 7.045
Authors: Hyun-Sik Kang; Bernard Gutin; Paule Barbeau; Scott Owens; Christian R Lemmon; Jerry Allison; Mark S Litaker; Ngoc-Anh Le Journal: Med Sci Sports Exerc Date: 2002-12 Impact factor: 5.411
Authors: Claudia M Toledo-Corral; Jaimie N Davis; Tanya L Alderete; Marc J Weigensberg; Christina T Ayala; Yanjie Li; Howard N Hodis; Michael I Goran Journal: J Pediatr Date: 2011-01-15 Impact factor: 4.406
Authors: Bernard Gutin; Paule Barbeau; Scott Owens; Christian R Lemmon; Mara Bauman; Jerry Allison; Hyun-Sik Kang; Mark S Litaker Journal: Am J Clin Nutr Date: 2002-05 Impact factor: 7.045
Authors: Martha L Cruz; Marc J Weigensberg; Terry T-K Huang; Geoff Ball; Gabriel Q Shaibi; Michael I Goran Journal: J Clin Endocrinol Metab Date: 2004-01 Impact factor: 5.958
Authors: K M Venkat Narayan; James P Boyle; Theodore J Thompson; Stephen W Sorensen; David F Williamson Journal: JAMA Date: 2003-10-08 Impact factor: 56.272
Authors: Lauren T Cook; Gillian A O'Reilly; Michael I Goran; Marc J Weigensberg; Donna Spruijt-Metz; Jaimie N Davis Journal: J Acad Nutr Diet Date: 2014-03-28 Impact factor: 4.910
Authors: Monique K Vallabhan; Elizabeth Y Jimenez; Jacob L Nash; Diana Gonzales-Pacheco; Kathryn E Coakley; Shelly R Noe; Conni J DeBlieck; Linda C Summers; Sarah W Feldstein-Ewing; Alberta S Kong Journal: Pediatrics Date: 2018-10-22 Impact factor: 7.124
Authors: Cheng K Fred Wen; Stephanie Hsieh; Jimi Huh; Lauren Cook Martinez; Jamie N Davis; Marc Weigensberg; Donna Spruijt-Metz Journal: J Racial Ethn Health Disparities Date: 2016-10-17
Authors: Fabrício Vasconcellos; André Seabra; Peter T Katzmarzyk; Luiz Guilherme Kraemer-Aguiar; Eliete Bouskela; Paulo Farinatti Journal: Sports Med Date: 2014-08 Impact factor: 11.136
Authors: Tanya L Alderete; Lauren E Gyllenhammer; Courtney E Byrd-Williams; Donna Spruijt-Metz; Michael I Goran; Jaimie N Davis Journal: J Exerc Physiol Online Date: 2012-04
Authors: Lee Stoner; David Rowlands; Ariel Morrison; Daniel Credeur; Michael Hamlin; Kim Gaffney; Danielle Lambrick; Anna Matheson Journal: Sports Med Date: 2016-11 Impact factor: 11.136